William dame



(No Model.)

W. DAME.

SHAFT LUBRIGATOR.

No. 312,822. I Patented Feb. 24-, 1885.-

WITNESSES INVENTOR 5-6 -flm,

ATTORNEYS NITED rates ATENT rrrcn.

\VILLIAM DAME, OF \VOONSOOKET, ItI-IODE ISLAND.

SHAFT-LUBRICATOR.

SBIEOIPICATIQN forming part of Letters Patent No. 312,822, dated February 24:, 1885.

Application filed January M1885. (No model.)

To all whom it may concern.-

Be it known that 1, WILLIAM DAME, acitizen of the United States, residing at WVoonsocket, in the county of Providence and State of Rhode Island, have invented certain new and useful Improvements in Shaft- Lubricators; and I do declare the following to be afull, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this speci fication.

Figure 1 of the drawings is a vertical horizontal section. a vertical transverse section.

The object of this invention is to provide'an efficient means for conveying oil from a reservoir placed under the bearing to the top of the same, so that the oil may be used over and over until it has been used up.

The invention consists in the construction and novel arrangement of devices, as hereinafter set forth, and pointed out in the appended claim.

In the accompanying drawings, the letter A denotes the shaft or journal, and B the cap or upper box. 0 represents the lower box or bearing.

The cap Bis formed with a recess or seat, 2, in its interior upper portion, which receives the suction pad or block F, which is made of Babbitt metal or other suitable substance, and fitslooselyin said recess. The bottom of this pad istransversely concave, conforming at its edges to the contour of the shaft, but having a slightly greater curvature on its central portion, forming a shallow recess, h, above the shaft, from which the air is excluded by the closely-fitting edges of the pad. Through the pad, from its bottom to one side, extends an angular or curved passage, k, the outer or lateral end of which is of proper size and form Fig. 2 is a top view. Fig. 3 isto the oil-reservoir D,which is below the bearing. The tube enters the reservoir and extends to its bottom, and is then turned upward a little to prevent the entrance of sedi ment and to provide aseat to hold thevacuu m of the suction-pad F. The curved flanges 'm of the ends ofthe cap and reservoir are de signed to catch the oil which may exude at the ends of the bearing, and return the same to the reservoir. The tube is usually let into seats 1), formed in the bearing and cap, so that it is protected from casual injury and a compact construction is secured.

The operation is as follows: The revolution of the shaft causes a vacuum in the recess h of the pad, and the oil is thereby drawn up from the reservoir and is distributed on the shaft, lubricating the same thoroughly, and, falling, is returned to the reservoir.

Having described this invention, what I claim, and desire to secure by Letters Patent, 1s

The combination, with the bearing and the cap having a recess in its upper portion, of the reservoir below the bearing, the suction-pad in said recess, having an oil-passage and a suction-recess in its concave bearing padflhe elevating-tube connected to said pad and having its lower inlet end bent upward, and the spring operating in the pad, substantially as specified.

In testimony whereof I affix my signature in presence of two witnesses.

. WVILLIAM DAME.

WVitnesses:

WILLIAM R. COOKE, GEORGE A. WILBUR. 

